King delivered his speech at the march on Washington for jobs and freedom on august 28,1963
The speaker seems to not be too pleased with the characteristics of the woman he is describing. He's saying her eyes are dull compared to the brightness of the sun, her lips are drab and have no color compared to red coral, her breasts are dun, her hair looks like wires coming out of her head, her breath stinks and that her cheeks have no color and are plain. I suppose in spite of all that he finds unpleasant about her, he still loves her and thinks she is rare and valuable.
Answer:
Well, although the most prevalent example right now is of course the coronavirus pandemic, events like this have happened all throughout history. Think of the Black Death: it swept through Europe, killing tens of thousands and pretty much ending the system of feudalism. Though in modern times these pandemics have less potential to upend systems, they remain game changers. The H1N1 epidemic - the Spanish flu - sent shockwaves throughout the globe because of its scope and lethality.